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- Ensure Cisco router redundancy with HSRP
- What happens if your Internet router goes down and you lose all Internet access? That's why it's important to include redundancy in your network. In this edition of Cisco Routers and Switches, David Davis explains how you can use the Hot Standby Router Protocol HSRP to ensure redundancy. What...
- Tags: Cisco Router, Cisco Systems Inc., Hot Standby Router Protocol, Routers & switches, Network technology, NETWORKING, David Davis CCIE, MCSE+I, SCSA, router, redundancy, network, Cisco Routers and Management Newsletter, IP, IP Address, Standby, David Davis, Default Priority Number
- Technical articles 2006-04-20
- Provide redundancy on your Cisco routers with GLBP
- GLBP is a router redundancy protocol introduced in Cisco IOS version 12.2(14)S. Not familiar with GLBP? Let David Davis introduce you to this protocol and show you how to configure it. Are you familiar with GLBP? I'm willing to bet that a good number of you are not....
- Tags: Cisco Router, Cisco Systems Inc., GLBP, Routers & switches, Network technology, NETWORKING, David Davis CCIE, MCSE+I, SCSA, router, Hot Standby Router Protocol, Virtual Router Redundancy Protocol, Cisco Routers and Management Newsletter, David Davis, Active Virtual Gateway
- Technical articles 2005-10-06
Additional Resources
- GLBP - Gateway Load Balancing Protocol
- Gateway Load Balancing Protocol GLBP protects data traffic from a failed router or circuit, like Hot Standby Router Protocol HSRP and Virtual Router Redundancy Protocol VRRP, while allowing packet load sharing between a groups of redundant routers. The GBPL feature provides automatic router backup for IP hosts configured with a...
- Tags: Gateway Inc., Router, Load Balancing, Gateway Load Balancing Protocol, GBPL Feature, Routers & Switches, Network Technology, Networking
- White papers 2007-11-18
- Cisco MWR 1941 Router Redundancy
- The Cisco MWR 1941-DC-A Mobile Wireless Edge Router can be used either in a redundant configuration or as a standalone device. For redundancy, the Cisco MWR 1941 uses the existing Hot Standby Router Protocol HSRP feature and provides 1:1 redundancy for the cell site router. The 1:1 redundancy solution requires...
- Tags: Router, Cisco Systems Inc., Custom Y-cable, Routers & Switches, Network Technology, Networking
- White papers 2007-07-01
- Gateway Load Balancing Protocol Overview
- This paper describes the Gateway Load Balancing Protocol GLBP feature of Cisco IOS Software. Cisco continues to develop the core technologies demanded by Enterprises, in response to customers' wants and needs. GLBP was developed to provide automatic, first-hop gateway load balancing, which allows for more efficient resource usage and reduced...
- Tags: Gateway Inc., Load Balancing, Cisco Systems Inc.
- White papers 2004-09-01
- Why Doesn't PIM Sparse Mode Work With a Static Route to an HSRP Address?
- Protocol-Independent Multicast PIM is a family of multicast routing protocols that can provide one-to-many and many-to-many distribution of data over the Internet. The "Protocol-independent" part refers to the fact that PIM does not include its own topology discovery mechanism, but instead uses routing information supplied by other traditional routing protocols...
- Tags: Routing Protocol, Cisco Systems Inc., BGP, Networking
- White papers 2007-02-20
- Extreme Networks Supports Wireless Mobility at Patient Bedside for St. Johannes Hospital
- St. Johannes Hospital in Troisdorf-Sieglar, Germany, with just over 400 staff members, has more than 182 beds and treats approximately 8,800 inpatients and as many outpatients each year. The Hospital Information System HIS was looking to create a virtually paperless hospital operations chain in addition to its existing implementation of...
- Tags: Patient, Hospital, Extreme Networks, Wireless, Healthcare
- Case studies 2008-06-01
- Monitor Standby ("Monitor)
- With Monitor Standby you can easily put your monitor in standby mode. You just need to double click on the LCD icon. Version 1.2 includes unspecified updates.
- Tags: Monitor, Gustavo Ruiz Bonino, Monitors & Displays, Hardware, Components
- Software downloads 2007-12-27
- Preserve NAT translations when a Cisco router fails
- When you have two routers running HSRP, the standby router takes over if the active router goes down. But if this happens when you're using NAT, it severs all connections going through the active router. David Davis tells you how to use HSRP and SNAT to preserve these NAT translations....
- Tags: Cisco Router, IP, Network Address Translation, Cisco Systems Inc., SNAT, NETWORKING, Routers & switches, Network technology, David Davis CCIE, MCSE+I, SCSA, router, network, Cisco Routers and Management Newsletter, David Davis
- Technical articles 2006-04-27
- DB2 9 HADR: Build a Standby Database Using SnapMirror and Create a Read/Write Copy of the Standby Using FlexClone
- The DB2 HADR feature provides immense data protection from both partial and full site failures. In case of failure, the standby database can be made available to clients across the network until the primary database is repaired and returned to service. Recovery may include recovery from corruption, natural disaster at...
- Tags: Standby, IBM DB2, DB2 HADR Feature, Standby Database, Storage, Databases, Hardware, Enterprise Software, Software, Data Management
- White papers 2007-01-22
- Outlook 2003 - System Standby
- Dear All,I am facing a strange problem on one of my friends laptop. The laptop fails to go on standby after OUTLOOK 2003 has been executed (doing a send & receive). After a cold boot as long OUTLOOK is not started, the system can go on STANDBY and back. But...
- Tags: Microsoft Office, Groupware, dilson_p@..., laptop computer, Microsoft Outlook, Microsoft Outlook 2003
- Discussion threads 2007-09-26
- How Does Load Balancing Work?
- Load balancing is a standard functionality of the Cisco IOS router software, and is available across all router platforms. It is inherent to the forwarding process in the router and is automatically activated if the routing table has multiple paths to a destination. It is based on standard routing protocols,...
- Tags: Router, Load Balancing, Cisco Systems Inc., Routers & Switches, Network Technology, Networking
- White papers 2005-08-10
- USE AN ADSL ROUTER AS HOT SPOT OF ANOTHER ADSL ROUTeR
- I have an adsl router SPEED TOUCH 585i with ip 192.168.1.254 which is connected to the adsl line.I have connected a pc and i am connected to internet OK.I want to connect 1 ethernet port of this routr with an ETHERNET PORT of a ZYXEL wifi adsl router(...
- Tags: Routers & switches, Network technology, Ethernet, NETWORKING, WANs, jkiriou@..., router, ZyXEL Communications Corp., ZyXEL Router
- Discussion threads 2007-10-26
- Virtual Router Redundancy Protocol (VRRP) makes your network more reliable
- David Davis introduces the Virtual Router Redundancy Protocol VRRP, which enables you to set up a group of routers as a default gateway router for backup or redundancy purposes. by David Davis
- Tags: Router, Network, Virtual Router Redundancy Protocol, David Davis, Routers & Switches, Network Technology, Networking
- Blog posts 2008-09-05
- Add network redundancy with Cisco HSRP
- Are you using a single router/switch as your gateway to the outside world? What do you do when it goes down? Alleviate this worry with network redundancy. Robert McIntire explains how to do it with the help of Cisco's HSRP protocol.In the computing world, it’s imperative to build some level...
- Tags: LANs, NETWORKING, Network technology, Robert McIntire, network, VLAN, network redundancy, router, Layer 3, fault-tolerance, server, Cisco Systems Inc.
- Technical articles 2001-11-12
- Street Proven Techniques for Deploying Data Guard SQL Apply
- In Oracle9i Database, Data Guard introduced a new type of standby technology called SQL Apply, which maintains a Logical standby database a transactional copy of the primary database in addition to Data Guard's existing Physical standby capability. Since its introduction, Logical Standby databases have been deployed in production at many...
- Tags: Technique, Oracle Corp., SQL, Storage, Databases, Hardware, Enterprise Software, Software, Data Management
- White papers 2004-11-01
- lan routing in win2k3
- hi , i have a problem that i have configure win2k3 as a lan router but the router drops packets atregular interval of time causes net browsing very slow. it uses igmp protocolis there any benefit for using the rip protocolhow can i troubleshoot my problem ?
- Tags: Routers & switches, Network technology, LANs, NETWORKING, anil_osi@..., router, win2K3, LAN
- Discussion threads 2007-06-04
- boot-up failure
- hi,i was using my laptop & i don't know what my son pressed on the keyboard that makes it to go to standby. I was unable to go to the standby page to continue my work. I could not even turn the laptop off. The power button continues to flash...
- Tags: laptop computer, drumro2@...
- Discussion threads 2007-01-22
- WPA enabled wireless won't give ip for one laptop; ok for others?
- I'm having a weird problem with my wireless connection and I'm not sure what to do next.I recently enabled WPA on my SMC wireless router. At first my Acer 5670 laptop connected fine, but I had a hard time getting another desktop with an SMC wireless G usb card...
- Tags: Network technology, Routers & switches, NETWORKING, Wi-Fi, Network security, emrjackson@..., IP, router, WPA, Acer Inc., wireless, laptop computer
- Discussion threads 2007-06-20
- Data Guard in Oracle Database 10g SQL Apply Best Practices
- With Data Guard SQL Apply in Oracle Database 10g, Oracle is addressing the requirements of the business community for an online disaster recovery solution that also provides a means to offload reporting and decision support operations from the primary database. Data Guard SQL Apply has benefits such as it allows...
- Tags: Oracle Corp., SQL, Best Practice, Oracle Database, Oracle Database 10g, Data Guard SQL Apply, Data Mining, Disaster Recovery, Databases, Tools & Techniques, Storage, Enterprise Software, Software, Data Management, Management, Hardware
- White papers 2005-10-01
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